FlexDRAN: Flexible centralization in disaggregated radio access networks

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dc.contributor.author Chang, Chia-Yu
dc.contributor.author Nikaein, Navid
dc.contributor.author Spyropoulos, Thrasyvoulos
dc.contributor.author De Schepper, Koen
dc.date.accessioned 2022-02-21T09:46:50Z
dc.date.available 2022-02-21T09:46:50Z
dc.date.issued 2022-01-21
dc.identifier.bibliographicCitation Chang, C. Y., Nikaein, N., Spyropoulos, T. & de Schepper, K. (2022). FlexDRAN: Flexible Centralization in Disaggregated Radio Access Networks. IEEE Access, 10, 11789–11808.
dc.identifier.issn 2169-3536
dc.identifier.uri http://hdl.handle.net/10016/34172
dc.description.abstract Radio Access Network (RAN) disaggregation allows operators to mix-and-match multivendor components and bring RAN services from one end to the other. Despite this goal, issues of resource misuse or performance undershoot may arise because of inflexible RAN function deployment and uncoordinated decision-making across different network segments. To address these issues, this paper considers full flexibility in the synthesis of end-to-end RAN services from a set of disaggregated and uncoordinated components. In particular, five design factors are jointly considered to maximize the overall network spectral efficiency: (1) User association, (2) Remote radio unit clustering, (3) RAN functional split, (4) Fronthaul network routing, and (5) Baseband unit placement. To efficiently deal with the formulated problem, we propose a two-level turbo-based solution and compare its performance with several related works. The simulation results show that our proposed solution can not only achieve a 1.33-times spectral efficiency gain compared with state-of-the-art methods, but also provides 1.27 and 1.74 multiplexing benefits for computing and networking resources, respectively.
dc.description.sponsorship This work is supported by the European Union’s Horizon 2020 research and innovation programme under grant agreement 5Growth (No. 856709), Affordable5G (No. 957317), DAEMON (No. 101017109), and 6GBrain (No. 101017226).
dc.format.extent 20
dc.language.iso eng
dc.publisher IEEE
dc.rights © The authors, 2022. This work is licensed under a Creative Commons Attribution 4.0 License.
dc.rights Atribución 3.0 España
dc.rights.uri http://creativecommons.org/licenses/by/3.0/es/
dc.subject.other Radio access networks
dc.subject.other 5G mobile communication
dc.subject.other Algorithm design and analysis
dc.subject.other Disaggregated network
dc.subject.other Functional split
dc.title FlexDRAN: Flexible centralization in disaggregated radio access networks
dc.type article
dc.subject.eciencia Telecomunicaciones
dc.identifier.doi https://doi.org/10.1109/ACCESS.2022.3145378
dc.rights.accessRights openAccess
dc.relation.projectID info:eu-repo/grantAgreement/EC/856709
dc.relation.projectID info:eu-repo/grantAgreement/EC/957317
dc.relation.projectID info:eu-repo/grantAgreement/EC/101017109
dc.relation.projectID info:eu-repo/grantAgreement/EC/101017226
dc.type.version publishedVersion
dc.identifier.publicationfirstpage 11789
dc.identifier.publicationlastpage 11808
dc.identifier.publicationtitle IEEE Access
dc.identifier.publicationvolume 10
dc.contributor.funder European Commission
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